System Admin Jobs

System admin is the process or person employed to maintain and operate a computer system or network. System admins install, support, configure and maintain servers and other computer systems. They also periodically do scripting tasks and respond to service outages or other problems involving servers or desktops. If your business needs help with system admin tasks, then you can hire freelancers who can work with your computer systems. Talented and experienced system admin freelancers can be found here. Simply post your system admin task or job today.

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    114 jobs found, pricing in USD

    Hello, Currently my company sells solutions for SME. I want to set up a website for the resale of all my solutions. I want to set up a reseller portal. The solutions : - CRM / Quotation / Billing / POS: Dolibarr and Odoo - Drive: Nextcloud - Configurable appliances according to criteria: o FireWall o IPBX o Backup o File Server o Laptop + PackOffice + Antivirus + Anti-Spam - Domain names - Webs...

    $398 (Avg Bid)
    $398 Avg Bid
    2 bids

    My hetzner dedi server crashed and will no longer boot. i have tried grub repair but this didnt work. I really need this up and running again. It has 1xSSD drive for os and my data is stored on 3x1TB drives.

    $361 (Avg Bid)
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    5 bids

    I have some ansible scripts that where working few months ago now I guess after some updates they arent working now so need some remote help. Mostly the problem I am having is with the getting sudo before doing updates and install. Project is for 1hr remote help.

    $27 (Avg Bid)
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    2 bids

    Malware attacked our servers and decrypted our entire [login to view URL] to restore oyr data.

    $519 (Avg Bid)
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    1 bids
    Mikrotik Configuration 6 days left
    VERIFIED

    I need a Network administrator to monitor and edit my current configurations and see if I have vulnerability and stop any attack from happening. and manage my current bandwidth and share it with users.

    $231 (Avg Bid)
    $231 Avg Bid
    14 bids

    I have a server which hosts a website [login to view URL] which needs to route emails to an external service. I can't do it although everything looks right. It will be a small job for someone that knows what they are doing....

    $27 (Avg Bid)
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    17 bids
    Web Developers 6 days left

    I need my website re-configured.I need you to design and build my online store.

    $26 / hr (Avg Bid)
    $26 / hr Avg Bid
    67 bids
    install 3 wowonder scripts 6 days left
    VERIFIED

    install 3 wowonder scripts on digital ocean server, FTP details, scripts files will be provided

    $24 (Avg Bid)
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    11 bids

    Searching for an Expert who can help me configure Percona MySQL cluster in CentOS

    $31 (Avg Bid)
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    5 bids

    I need assistance in routing network traffic over different network connections with in NAS.

    $216 (Avg Bid)
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    18 bids

    i have 50GB of data that need to be transferred during the next 6h between 2 dedicated servers! Height internet speed is required

    $105 (Avg Bid)
    $105 Avg Bid
    29 bids
    Computer Networks 6 days left
    VERIFIED

    I want someone is an expert in Computer Networking.

    $116 (Avg Bid)
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    26 bids

    This week I have a problem with non-delivery of email to some google servers. example: The mail system <katherine@[login to view URL]>: host [login to view URL][[login to view URL]] said: 550-5.7.1 This message does not have authentication information or fails to pass 550-5.7.1 authentication checks. To best protect our users from spam, the 550-5.7.1 message has been blocked. P...

    $23 (Avg Bid)
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    7 bids
    Magento 2 time/date fix 5 days left
    VERIFIED

    Need fix on date/time on magento 2 site ....

    $12 / hr (Avg Bid)
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    26 bids
    System Administrator - AWS 5 days left
    VERIFIED

    We are currently hosted in AWS (Mumbai) and we use containerized solution. - Cost analysis for effective resource/server utilization - Implement monitoring tools for MongoDB, Nginx etc - Implement auto-scaling, preferably using Kubernetes (EKS) - MongoDB clustering - MongoDB Query Optimization - Prepare and assist load /security testing of the application

    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    9 bids

    I have a centos 7 server with cpanel, and litespeed web server. Litespeed relies on underlying apache2 configurations. I need to setup a reverse proxy in cpanel for [login to view URL] to forward to http://myipaddress:80/api/ the result output if the reverse proxy setup is correct should be {"code":0,"message":"Transport unknown"} If you are selected I will give you t...

    $32 (Avg Bid)
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    8 bids

    We are looking for an IT Specialist with proven knowledge of computer networks and systems (Windows server and desktop OS) including Virtualization, who can write tech documents and produce video-tutorials in English, based on Chinese tech documents and by trying out the software features. Since our product is developed in Taiwan it is a mandatory requirement to be truly fluent in the Mandarin la...

    $14 / hr (Avg Bid)
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    4 bids

    ADMINISTRACIÓN sistemas experto, Habla nativo Español. Imprescindible. Disponibilidad 24h sólo para incidencias criticas: t*Removed by Admin* avisos Alta en el Servicio Con Panel de Control Soportado Sin Panel de Control configuración emails Tickets de soporte ilimitados Monitoreo 24/7 - Cada 5 min Seguridad Inicial Básica Software de terceros Estándar Ge...

    $32 (Avg Bid)
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    7 bids
    HA proxy configuration CentOS 5 days left
    VERIFIED

    Searching for an Expert who can help me configure HA proxy in CentOS for MySQL

    $26 (Avg Bid)
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    7 bids

    Hi, I need someone good with the skills mentioned above to do a job.

    $154 (Avg Bid)
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    5 bids

    Setup Debian and setup proxy pool, ip:port:id:password. with panel to manage and website to sell product of proxy. if you need another server for website i will provide. Type xyz. So i can understand you and not copy paste and spam. Thanks

    $156 (Avg Bid)
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    6 bids

    About monqi: We, at monqi, have a clear mission: "Starting children the right way with technology". We provide a complete experience for kids, parents and caretakers in a safe & trusted environment. As part of our offering we promote SAFE INTERNET, this is our safe browsing with blocked site notifications that allows children to enjoy all the benefits of the internet without any of ...

    $280 (Avg Bid)
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    15 bids

    Need to Develop Internet Bandwidth Software. Open sources are not encouraged. Need to write Network Access Server (Nas Software) Need to Develop Radius (AAA) and Billing Software Need to develop Good Looking and smart UI Based on the requirement (Removed by Freelancer.com Admin) For Further Details Message Me Many Thanks Abdul Riyaz

    $573 (Avg Bid)
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    2 bids

    Need addition 15- 18 of domain and subdomain either in domain host or webhosting control panel. They must be open with www. means open with [login to view URL] . Also need addition of free SSL to all domain and subdomain.

    $22 (Avg Bid)
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    8 bids
    looking for a linux Engineer 5 days left
    VERIFIED

    Hello, I have a job which will take about 1 hour, I'm looking for a linux expert who will help get this job completed. skills: AWS Ansible Puppet Python Shell scripting Redhat VMWare

    $22 / hr (Avg Bid)
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    18 bids

    i have some task in aws auto scaling, S3 , Network ACLs need work remotely

    $11 / hr (Avg Bid)
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    15 bids

    Hi, i need server expert to create a Mtproto Proxy Server for Telegram on my Dedicated Server create a configuration for making Mtproto Proxy to use for telegram. Thanks

    $75 (Avg Bid)
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    3 bids
    Galera Cluster with HAproxy 5 days left
    VERIFIED

    Searching for an Expert who can deploy Galera Cluster with HAproxy is a low budget. Thank you.

    $30 (Avg Bid)
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    1 bids

    This is a 1 to 3 hour job for someone with experience Requirements 1. I need this done today, right now or start in 1 to 3 hours from now 2. I am USA time zone. I need someone ready to start working in 1 to 3 hours and work until it is done. 3. you need to be able to talk on Skype audio or phone We need someone with good experience in configuring and setting up an internet gateway pc, so that vi...

    $174 (Avg Bid)
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    5 bids
    Remove IP from GMAIL Spam 5 days left
    VERIFIED

    Hello . Our main problem is that all emails from our server goes to Gmail spam folder. We need them to go to Inbox. Please let us know if you can do the work

    $31 (Avg Bid)
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    8 bids

    Dear Freelancer, We require you to Install the SSL certificate for LINUX email server. All the required access and the necessary certificate will be provided.

    $30 (Avg Bid)
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    37 bids

    I need to restore the site host ، We lost username and password

    $1083 (Avg Bid)
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    53 bids
    recover host 5 days left

    I need my website re-configured.I already have a design, I just need you to build a website for my small business.

    $1172 (Avg Bid)
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    33 bids

    We have 3 web linux servers and we need kind of tool from which we can get the Audit Logs, Security Logs and Apache logs on x time of Interval

    $385 (Avg Bid)
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    8 bids

    ATTENTION: * Do not use template proposals, they will not be read * Include not only your portfolio, but also highlight examples that you consider to be close to the result you promise you will provide us for the price of your bid * Make sure your proposal presents the final price for the COMPLETE job * We will not accept to negotiate a higher price than what was proposed in the bid offer * Prof...

    $544 (Avg Bid)
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    27 bids
    Trophy icon SMTP issue 1 day left

    I have Roundcube webmail on a server. I can send emails but cannot receive emails. Maybe DNS records could affect the mail functions.

    $10 (Avg Bid)
    Guaranteed
    $10
    2 entries
    POS system on Android 5 days left
    VERIFIED

    I own a restaurant and wants to make a POS system for our restaurant, we want the POS sytem to be at least have these following things, other than basic POS system: 1. inventory/ingredient tracking. For example, to make a portion of fried chicken needs 100gr of chicken, salt, pepper, etc. then if somebody order it, the POS system could reduce the inventory accordingly to it. 2. Attendance for staf...

    $880 (Avg Bid)
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    75 bids

    mujhe nginx mein rtmp live streaming server tyar karwana hai, jismein user interface bhi hona chahiye. [Removed for encouraging offsite communication which is against our Terms and Conditions -Section 13:Communication With Other Users]

    $202 (Avg Bid)
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    6 bids
    Configure GUI for CentOS 7 5 days left
    VERIFIED

    I have a server with CentOS Linux 7 (Core) I need GUI installed so I can login to it remotely with Firefox, Office tools. Need someone who can help me configure.

    $25 (Avg Bid)
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    26 bids

    I would require the freelancer to suggest the right hardware needed to setup server(s) for the following use: 1) Granular control of employees activity, internet access rules. 2) Firewall / Proxy to restrict access to websites 3) Mail Server setup 4) Windows Domain Server (Active Directory) for employee login with group policy 5) Secured File Storage NAS 6) VPN Server

    $111 (Avg Bid)
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    13 bids
    Setup servers 5 days left

    There are few servers behind a hub, create a network to access those servers from the internet. Also assign static public ips to these servers and setting up appropriate security measures like IDS, openvpn.

    $38 (Avg Bid)
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    9 bids

    i have an old mac , i want to install a VM along with centos

    $17 (Avg Bid)
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    13 bids

    I have an iptv server already configured in production but the following problem is occurring in all channels that we put to run the first time of the play channel the error already in the second attempt normally works. I would need a correction for this process. to be more specific this is the error: recv() failed (104: Connection reset by peer) while reading response header from upstream, cl...

    $32 (Avg Bid)
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    5 bids

    We want to use office 365 from Microsoft. We are in need of consulting services to advise and setup Mailing and configuration, skye for business setup (be able to easily link to external Skpe web conference calls (with clients, Training session and partners), calendar sharing (how to auto configure as we add new accounts), Create a group out of office calendar, other tools configuration

    $6 / hr (Avg Bid)
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    6 bids

    a secure panel who only can come in with VPN connexion. this panel is to manage all your devices. in this panel you can activate/delete/wipe/stop/suspend your devices. it must be very secure and it have an API connexion with the server. only professionals please!!! no proof jobs please!!!

    $7055 (Avg Bid)
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    10 bids
    Wordpress support 5 days left
    VERIFIED

    Fix a Wordpress website

    $46 (Avg Bid)
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    36 bids
    Network Design 4 days left

    Small Office Network with Firewall and multiple internet connection.

    $29 (Avg Bid)
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    25 bids

    We need an experienced System administrator or DevOps engineer to migrate existing Team Foundation Server 2012 to TFS 2018. TFS 2018 is installed and ready for migration. Project is detailed in the attached specification. Each project milestone will be approved by our DevOps team and our DevOps team will be available for consultations before and during the project.

    $1541 (Avg Bid)
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    4 bids

    Hi!!!! Please, deploy me a CloudSigma Datacenter in Madrid, Spain using the ASN network called AS766. Thank you.

    $34 (Avg Bid)
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    1 bids

    Hi, I need someone experienced with windows, linux, orange Pi and Armbian for a job.

    $133 (Avg Bid)
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    7 bids

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